1 to 25 of 172 Permanent Senior Network Engineer Jobs in the UK

with the ultimate mission to raise cyber resilience, so that every organization can stay ahead of tomorrow’s threats. The Core Mission Of The Senior Network Engineer As a Senior Network Engineer, you will own the design, deployment and day-to-day reliability … network fabric that connects Hack The Box's data center footprint across the US, EU, Singapore and Australia. Your work directly underpins the platform experience for millions of users running live cyber simulations — low-latency, high-availability networking isn't a nice-to-have, it's the product. Design ...

Senior Network Engineer Salary: Up to £65,000 DOE + On-Call Allowance & Paid Callouts Location: Essex - Hybrid Employment: Full Time, Permanent This is an opportunity to join a well-established UK technology services business operating across managed networks, ISP services and datacentre infrastructure. Supporting a diverse … customer base that includes enterprise and critical national infrastructure environments, the business designs, delivers and manages complex, highly available network solutions across the UK. We're looking for a Senior Network Engineer with strong service-provider networking experience who is confident working across routing, switching, firewalls ...

Senior Network Engineer Network Source of Truth, Automation & Network Reliability Location: Cambridge, UK Working Model: Hybrid – 2 days per week onsite Contract Type: Contract Experience: 10+ years relevant experience Role Overview We are looking for an experienced Senior Network Engineer with strong … expertise in Network Source of Truth, NetBox, network automation and network reliability . The role will focus on establishing and maintaining NetBox as the authoritative source of record for enterprise network data , improving network inventory accuracy, automation, governance and integration with enterprise platforms such ...

Summary:As a Senior Network Engineer, you will lead the design, implementation, and support of enterprise network infrastructure across our UK data center and office environments. This role is focused on data center networking, load balancing, and core network services, ensuring high availability, performance … security across all platforms.Job Description:Exciting Opportunity: Senior Network EngineerAre you a seasoned network professional ready to lead the design, implementation, and evolution of enterprise network infrastructure? We are seeking a Senior Network Engineer to drive the planning, deployment, and optimization ...

creating it. From cutting-edge defence technology to ground-breaking innovations our mission is to empower and protect lives. Join us as a Senior Network Engineer at our Malvern site, where you will have the opportunity to work with cutting-edge technology in partnership with some … most brilliant minds. The Role As a Senior Network Engineer, you will play a key role in the design, development and delivery of secure networking solutions supporting critical programmes and projects. Day-to-day, you'll provide technical leadership across network-focused activities, working with project ...

annumFarnborough, England Permanent Our client, a prestigious organisation within the Defence & Security sector, is looking for a Senior Network Engineer to join their dynamic team in Farnborough. This is a permanent role where you will work with cutting-edge technology and contribute to innovative solutions that empower … protect lives. Your responsibilities will include: Lead the transformation from manual to automated network operations, establishing best practices and driving the automation roadmapDesign and implement network automation solutions across LAN, WAN, and datacentre environmentsDevelop and maintain automation scripts using Python, Ansible, and TerraformIntegrate and optimise centralised network ...

Senior Network Engineer (x2) - 6-12 months - East Kilbride (Hybrid) - SC/DV Clearance A major government organisation is seeking two Senior Network Engineers to support enterprise network infrastructure across on-premises, cloud and hybrid environments, with connectivity work initially supporting the IRIS programme … management zone. Automation is a particular priority right now, so this is as much a network automation role as a traditional networking one - you'll be embedding DevOps methodologies and Infrastructure as Code principles across the network engineering function. Key Responsibilities: Provide third-line resolution of network ...

Senior Network Engineer - Cisco/Firewalls/Projects Permanent Location: Worcester/Home (onsite 2/3 days a week) Salary: £65,000 - £75,000 (+ benefits, bonus) Skills: Cisco , CCNP-level networking, ASA/FTD, VPNs, OSPF, BGP, EIGRP, LAN/… looking for an experienced Network Engineer to join a growing, engineering-led technology business based in Worcester. This is a hands-on technical role covering project delivery, customer solutions, escalation support and network design. It would suit someone operating at, or close to, Senior Network ...

Senior Network Engineer | £550p/day (Inside IR35) | 3 days on site in London | 6 months | Arista 7150 and Cisco , Low latency We're looking for an experienced Senior Network Engineer to join a critical network refresh programme supporting financial exchange. Experience working … change activity with zero downtime Key Experience Required Strong hands-on Arista experience, specifically the Arista 7150 series Experience with firewalls in complex network environments Strong extranet connectivity experience Strong production-level BGP and multicast knowledge If this sounds like a good fit, apply now! Senior Network ...

Title: Senior Network Engineer Location: Worcester Salary: £60,000 + Car Allowance + Excellent Benefits We are a well-established engineering-focused technology provider with a strong reputation for delivering high-quality network solutions and excellent customer service. For over 30 years, we have been helping … support enterprise networking solutions, covering LAN, WAN, Wi-Fi, Collaboration and Security. As part of our continued growth, we are looking for an experienced Senior Network Engineer to join our team. This is a hands-on role where you'll work across a variety of projects ...

Title: Senior Network Engineer Location: Rosehill,Liverpool Contract Type: Temporary Contract Length: 6 months Daily Rate: £470 Start Date: November 2026 End Date: April 2027 Working Pattern: Full Time Our client, Merseyside Police are seeking a dynamic and experienced Senior Network Engineer to join … Rosehill Liverpool. This is an exciting opportunity for a skilled professional to provide hands-on support, administration, troubleshooting, and implementation across an enterprise network environment. Key Responsibilities: Provide BAU support, maintenance, and proactive monitoring of network infrastructure. Troubleshoot and resolve incidents, service degradations, and outages, including root cause ...

Title: Senior Network Engineer Location: Rosehill,Liverpool Contract Type: Temporary Contract Length: 6 months Daily Rate: £470 Start Date: November 2026 End Date: April 2027 Working Pattern: Full Time Our client, Merseyside Police are seeking a dynamic and experienced Senior Network Engineer to join … Rosehill Liverpool. This is an exciting opportunity for a skilled professional to provide hands-on support, administration, troubleshooting, and implementation across an enterprise network environment. Key Responsibilities: Provide BAU support, maintenance, and proactive monitoring of network infrastructure. Troubleshoot and resolve incidents, service degradations, and outages, including root cause ...

Senior Network Engineer (Fortinet) Up to £470 per day (Umbrella) with Potential Flexibility for the Right Candidate | Initial 6-Month Contract (Extension Highly Likely) | Liverpool (Hybrid) Our client is seeking an experienced Senior Network Engineer to join their infrastructure team on an initial … month contract, with great potential for extensions. This is a hands-on engineering role focused on supporting, maintaining, troubleshooting and enhancing a complex enterprise network environment. The successful candidate will play a key role in ensuring the stability, security and performance of critical network infrastructure while supporting both ...

Title Senior Network Engineer Job Description About IG Group IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation … mindset and we'll give you the platform to define what comes next. Join us at IG – the future gets built here. As a Senior Network Engineer, you will play a key role in building and enhancing the infrastructure that powers our fast-growing retail brokerage business ...

Senior Network Engineer - London - c£75,000 plus bonus and benefits and On-call Radius is seeking a Senior Network Engineer for a global organisation based in London. 35% Project and design work and 65% BAU Be able to produce basic Network designs … European offices, reporting to the Head of Networks. Work with and provide cover for the Customer Networks and Product Development Manager. Contribute to IT network project delivery, including design, build and stakeholder communication. Maintain and configure all routers, switches, and related network equipment. Deliver and support customer connections ...

Senior Network Engineer - Fortinet Department: Network Engineering Employment Type: Permanent - Full Time Location: Hybrid Description Wanstor is an award-winning Managed IT Services provider helping ambitious organisations use technology to achieve better business outcomes — securely, efficiently, and at scale. Established in 2002, we deliver … technology services spanning managed IT support, cloud, infrastructure, networking, security, communications, and AI adoption services. This is a brilliant opportunity for a Senior Network Engineer who wants more than a traditional MSP engineering role. You’ll join Wanstor as part of a small, dedicated IT team supporting ...

Senior Network Engineer, North East based We are looking for an experienced and customer-focused Senior Network Engineer to join our Professional Services team. This is a hands-on delivery role where you will play a key part in delivering high-quality network … site. Working closely with Project Managers, Programme Leads, Managed Services, and wider technical teams, you will help deliver robust, scalable, and secure network solutions for enterprise customers across the UK. Key Responsibilities Deliver enterprise network solutions across multiple customer projects and programmes Support technical discovery workshops to understand ...

Network Engineer – Quantitative TradingQuant Capital is urgently looking for an experienced Network Engineer to join one of the most prestigious trading companies globally. This role sits in an experienced London team that is currently designing and deploying new network topology to support a world class … trading environment. The role of the Network Engineer is to ensure the stability and integrity of all aspects that comprise the global trading network which includes the regional data centers, collocated infrastructure in 3rd party data centers and various cloud service providers. This includes managing multiple projects ...

Senior Network Engineer – GPU Infrastructure/Quantitative TradingIndustry leading compensation discussed on callLondonQuant Capital is looking for an experienced Senior Network Engineer to join a leading quantitative trading firm in London. The role sits within a specialist infrastructure team supporting trading systems … large GPU compute environment used for deep learning and research. The network is a core part of the firm's research and trading capability. It needs to be fast, reliable and built properly. This role will suit someone who has worked on demanding production networks and wants to move ...

Network Operations Engineer – high frequency trading85,000-100,000 + benefits and bonusQuant Capital is urgently looking Network Engineer to join our high profile client. Our client is one of the world's top Prop Trading Houses. They trade across a wide range of asset classes … quantitative research. Being a proprietary trading business my client t trades its own accounts and has no investors, clients or customers. As a Network Engineer you will have expertise in infrastructure engineering and support. You will join a small but world class team in London and help ...

Senior Network Engineer – Quant Trading (NY)$180,000-250,000 +$75,000 – New YorkQuant Capital is urgently looking for an experienced Network Engineer to join our high profile client. Our client, a leading quantitative trading firm, manages high-performance, multi-vendor network infrastructure … traffic from trading to connectivity. In this role, you'll work within a high-caliber team to ensure the seamless functioning of an advanced network infrastructure, continuously enhancing scalability and operational efficiency. The ideal candidate will focus on maintaining the highest level of service, with a strong emphasis ...

Description Job Title: Senior Network Engineer Req ID: 62787 Job Function: Engineering Posting Start Date: 14/09/2026 Posting End Date: 27/09/2026 Division: Networks Job Location: GBR-Manchester-New Bailey Advertised Salary: Competitive+ great benefits Locations: Sheffield, London, Birmingham, Manchester, Bristol … Working Style: 3 days a week in office, 2 days from home About the role We are seeking three experienced Senior Network Engineer to lead the design, implementation, and support of enterprise-scale network infrastructure. This role blends hands‐on engineering with strategic design and operational ...

Senior Network Engineer – Low latency trading140,000-200,000 + bonusQuant Capital is urgently looking for talented Network Engineers to join a top-tier HFT in their London office. As a Network Engineer, you will play a crucial role in building, automating, and ensuring … reliability of cutting-edge low latency infrastructure. This opportunity will allow you to work with the fastest trading network in the world, experiment with the latest technologies, and make your mark as a pioneer in the networking industry. The firm is known globally for its attitudes, technology and rigour ...

Line Network Engineer £43,000£49,000 24 days holiday + bank holidays, pension, paid parking, phone allowance, funded training & certifications Manchester/Warrington 1 day a week from home Travel to customer-site travel across the North West as required The Opportunity: If you enjoy getting into … complex network problems but also want to be the person designing and delivering the solution, this is worth a look. Were working with an established MSP/MSSP thats looking for an experienced engineer to strengthen its networking capability. Its a mixture of 3rd line network support ...

Line Network Engineer £43,000£49,000 24 days holiday + bank holidays, pension, paid parking, phone allowance, funded training & certifications Manchester/Warrington 1 day a week from home Travel to customer-site travel across the North West as required The Opportunity: If you enjoy getting into … complex network problems but also want to be the person designing and delivering the solution, this is worth a look. Were working with an established MSP/MSSP thats looking for an experienced engineer to strengthen its networking capability. Its a mixture of 3rd line network support ...